3M™ PELTOR™ CH-5 High Attenenuation J11 PELTOR Plug Headset Headband Format Earmuff, 37dB (Class 5) MT73H450A-38 (Each)The 3M Peltor CH 5 brings innovative technology and design helping protect the wearer againts the highest noise levels and hazardous sounds. With its robust construction, it is designed to cope with rough and extreme environments. Benefit from one of the highest levels of attenuation on the market with 3M PELTOR CH 5 High Attenuation Helmets. Our helmets have a robust design that allows quick and easy maintenance, even in the field. They are ideal for